/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraTypes.h
[ENiagaraTypeRegistryFlags](API\Plugins\Niagara\ENiagaraTypeRegistryFlags) & operator^= ( [ENiagaraTypeRegistryFlags](API\Plugins\Niagara\ENiagaraTypeRegistryFlags) & Lhs, [ENiagaraTypeRegistryFlags](API\Plugins\Niagara\ENiagaraTypeRegistryFlags) Rhs )